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Meet Our Medical College of Wisconsin Gastroenterology and Hepatology Teams

Faculty

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Reza Shaker, MD

Assoc Provost, Sr Assoc Dean, Ctr Dir, Chief, Prof

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Dilpesh S. Agrawal, MD, MRCP

Assistant Professor

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Helmut Ammon, MD

Professor

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Banani Banerjee, PhD

Associate Professor

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Poonam Beniwal-Patel, MD

Associate Professor

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William L. Berger, MD

Associate Professor

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Phillip Chisholm, MD

Assistant Professor

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Francis Edeani, MD

Assistant Professor

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James Esteban, MD

Assistant Professor

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Jose Franco, MD

Senior Associate Dean; Professor of Medicine

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Veronica Loy, DO

Associate Professor

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Srivats Madhavan, MD

Assistant Professor

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Bidyut K. Medda, PhD

Associate Professor

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Ling Mei, MD

Associate Professor

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James B. Nelson, MD

Adjunct Assistant Professor

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Matthew T. Peller, MD

Assistant Professor

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Patrick Sanvanson, MD

Associate Professor of Medicine

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Preetika Sinh, MD

Associate Professor

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Zachary Smith, DO

Associate Professor

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W. Harley Sobin, MD

Adjunct Assistant Professor

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Daniel J. Stein, MD

Director, Associate Professor; Vice Chair for Education

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Juan Pablo Trivella, MD

Assistant Professor

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Hassaan Zia, MD

Assistant Professor

Physician Assistants & Nurse Practitioners

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Kenneth Christensen, PA-C

Physician Assistant

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Andrea Fetherston, APNP, MSN

Nurse Practitioner

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Casey J. Fisher, BSN, MSN, APNP

Nurse Practitioner

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Kristin M. Granlund, PA-C

Physician Assistant

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Kathryn Johnson, MPAS, PA-C

Physician Assistant

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Lauren Hunt, MPAS, PA-C

Physician Assistant

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Scott D. Ramirez, APNP-BC

Nurse Practitioner

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Giuseppa Scaletta, MPAS, PA-C

Physician Assistant

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Keighla Slattery, APNP

Nurse Practitioner

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Margo R. Gengler, PA-C

Physician Assistant

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Miranda Waraxa, APNP, MSN

Nurse Practitioner

Community-Based Physicians & Advanced Practice Providers

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Cristino C. Canga, MD

Staff Physician

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Peter Eichenseer, MD

Staff Physician

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Raman Khanna, MD

Staff Physician

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Syed H. Mehdi, MD

Staff Physician

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Madhuri H. Trivedi, MD

Staff Physician

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Emily Bartel, APNP

Nurse Practitioner

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Michael J. Kosnik, PA-C

APP Outpatient

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Sarah Patton, PA-C

Physician Assistant